Inv2.Exp1 Total B

Which of Newton's laws states that an object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force?

• Newton's Second Law
• Newton's Third Law
• Newton's First Law
• Newton's Law of Gravitation

Which branch of physics is concerned with the motion of bodies under the action of forces?

• Optics
• Thermodynamics
• Mechanics
• Electromagnetism

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What does "interaction" refer to in physics?

• The collision of two objects
• The mutual influence between objects
• The separation of charges
• The decay of radioactive particles

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In physics, what is an equation used to represent?

• Only numerical values
• Relationships between physical quantities
• Graphical data
• Experimental procedures

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What physical property of an object determines its resistance to changes in motion?

• Volume
• Density
• Mass
• Temperature

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What is acceleration defined as in physics?

• The total distance traveled by an object
• The time taken for an object to come to rest
• The rate of change of displacement
• The rate of change of velocity with respect to time

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What is the relationship between action and reaction forces according to Newton's Third Law?

• Action forces are always stronger than reaction forces
• Reaction forces occur before action forces
• Action and reaction forces act on the same object
• Action and reaction forces are equal in magnitude but opposite in direction

In a collision between two objects, what typically occurs?

• Only one object experiences a force
• The objects exert forces on each other for a brief period
• The objects always stick together after collision
• The total energy of the system increases

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Which unit is used to measure force in the International System of Units (SI)?

• Joule
• Pascal
• Newton
• Watt

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What is the correct definition of a force?

• The speed at which an object moves
• The mass of an object in motion
• A push or pull exerted on an object
• The distance an object travels over time

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